Troubleshooting the HVAC Potential Relay!

In This HVACR Training Video, I go over How the Potential Relay Works and How to Troubleshoot it! I show the Wiring and Contacts at 5, 2, and 1. I Explain how it Controls the Start Capacitor after the Compressor Starts. I show the coil and how to measure resistance values for diagnosing the coil or contactor tabs while using a multimeter.

Tool List-

-Give your career and confidence a boost with free HVACR eLessons at Danfoss Learning.
-Start your first eLesson now —

Supervision is needed by a licensed HVACR Tech while doing this as Experience and Apprenticeship garners Wisdom and Safety.

Here are some of the Tools I use:

Yellow Jacket Refrigerant Gauge Set
Refrigerant hoses with valves
Yellow Jacket Gauge set & hoses
Yellow Jacket 4 Port Manifold w Hoses
FieldpieceSMAN360 Digital Manifold Set
FieldpieceSMAN460 Digital Manifold Set
Compact Ball Valve for Refrigerant Hose
QuickDisconnect 90 for refrigerant hose
UEI DL479 Multimeter with temp sensor
JB 6 CFM Vacuum Pump
Appion Blue 3/8″ to 1/4″ Vacuum Hose
Appion Red 3/8″ to 1/4″ Vacuum Hose
Appion Valve Core Removal Tool
Yellow Jacket 1/4″ by 1/4″ hose
CPS Vacuum Micron Gauge
Supco Vacuum Micron Gauge
RectorSeal Bubble Gas Leak Detector
UEI DL389 Multimeter
Fieldpiece ST4 Dual Temp Meter
Air Acetylene Torch setup
15% Silver Brazing Rods
Nitrogen Regulator
Nitrogen Flow Meter
Digital Refrigerant Scale
Accutrak VPE Ultrasonic Leak Detector
Imperial Kwik Charge 535-C
FieldpieceSDMN6 Dual Manometer Pump
Supco Magnet Jumpers
2 pairs of alligator clips-
JB Vacuum Pump Oil
General Tools digital Psychrometer
Fieldpiece SDP2 Digital Psychrometer
Ratcheting Service Wrench
Appion G5 Twin Recovery Pump
Irwin Wire Stripper/Cutter/Crimper

Shop through Amazon! Your Purchases through Amazon provide a means for channels such as mine to earn advertising fees from any purchases after clicking through. Prices are the same as normal-